FR2367834B1 - - Google Patents
Info
- Publication number
- FR2367834B1 FR2367834B1 FR7731162A FR7731162A FR2367834B1 FR 2367834 B1 FR2367834 B1 FR 2367834B1 FR 7731162 A FR7731162 A FR 7731162A FR 7731162 A FR7731162 A FR 7731162A FR 2367834 B1 FR2367834 B1 FR 2367834B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/14—Alkali metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762646825 DE2646825A1 (en) | 1976-10-16 | 1976-10-16 | PROCESS FOR THE CONTINUOUS PRODUCTION OF SODIUM DITHIONITE SOLUTIONS BY CATHODIC REDUCTION |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2367834A1 FR2367834A1 (en) | 1978-05-12 |
FR2367834B1 true FR2367834B1 (en) | 1983-02-04 |
Family
ID=5990645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7731162A Granted FR2367834A1 (en) | 1976-10-16 | 1977-10-17 | PROCESS FOR THE CONTINUOUS PREPARATION OF SODIUM DITHIONITE SOLUTIONS BY CATHODIC REDUCTION |
Country Status (5)
Country | Link |
---|---|
US (1) | US4144146A (en) |
DE (1) | DE2646825A1 (en) |
FR (1) | FR2367834A1 (en) |
GB (1) | GB1586717A (en) |
IT (1) | IT1090036B (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4992147A (en) * | 1986-08-04 | 1991-02-12 | Olin Corporation | Electrochemical process for producing hydrosulfite solutions |
US4743350A (en) * | 1986-08-04 | 1988-05-10 | Olin Corporation | Electrolytic cell |
US4793906A (en) * | 1986-08-04 | 1988-12-27 | Olin Corporation | Electrochemical process for producing hydrosulfite solutions |
US4761216A (en) * | 1987-04-01 | 1988-08-02 | Olin Corporation | Multilayer electrode |
US4770756A (en) * | 1987-07-27 | 1988-09-13 | Olin Corporation | Electrolytic cell apparatus |
US4976835A (en) * | 1988-03-08 | 1990-12-11 | Hoechst Celanese Corporation | Electrosynthesis of sodium dithionite |
US5126018A (en) * | 1988-07-21 | 1992-06-30 | The Dow Chemical Company | Method of producing sodium dithionite by electrochemical means |
US5427658A (en) * | 1993-10-21 | 1995-06-27 | Electrosci Incorporated | Electrolytic cell and method for producing a mixed oxidant gas |
DE19954299A1 (en) * | 1999-11-11 | 2001-05-17 | Eilenburger Elektrolyse & Umwelttechnik Gmbh | Simultaneous production of sodium peroxodisulfate and sodium dithionite, useful as bleach, e.g. for pulp, involves anodic oxidation of sodium sulfate in cell with cation exchange membrane and sodium dithionite formation in cathode chamber |
US20040159556A1 (en) * | 2003-02-13 | 2004-08-19 | Clariant International Ltd. | Process for improving the reactivity of zinc particles in producing sodium dithionite from zinc dithionite |
DE102004053090A1 (en) * | 2004-11-03 | 2006-05-04 | Basf Ag | Process for the preparation of sodium dithionite |
JP2008525166A (en) * | 2004-12-23 | 2008-07-17 | ジ・オーストラリアン・ナショナル・ユニバーシティー | Increased conductivity and improved electrolysis and electrochemical processes |
US11105011B2 (en) * | 2015-02-02 | 2021-08-31 | Hci Cleaning Products, Llc | Chemical solution production |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2193323A (en) * | 1935-05-10 | 1940-03-12 | Ig Farbenindustrie Ag | Manufacture of hyposulphites |
NL295367A (en) * | 1962-07-16 | 1900-01-01 | ||
GB1045675A (en) * | 1962-07-16 | 1966-10-12 | Ici Ltd | Process for the electrolytic production of dithionites |
US3523069A (en) * | 1969-01-29 | 1970-08-04 | Univ British Columbia | Process for the production of dithionites |
US3920551A (en) * | 1973-11-01 | 1975-11-18 | Hooker Chemicals Plastics Corp | Electrolytic method for the manufacture of dithionites |
US3905879A (en) * | 1973-11-01 | 1975-09-16 | Hooker Chemicals Plastics Corp | Electrolytic manufacture of dithionites |
-
1976
- 1976-10-16 DE DE19762646825 patent/DE2646825A1/en active Granted
-
1977
- 1977-10-05 US US05/839,595 patent/US4144146A/en not_active Expired - Lifetime
- 1977-10-14 GB GB42794/77A patent/GB1586717A/en not_active Expired
- 1977-10-14 IT IT51421/77A patent/IT1090036B/en active
- 1977-10-17 FR FR7731162A patent/FR2367834A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
US4144146A (en) | 1979-03-13 |
IT1090036B (en) | 1985-06-18 |
FR2367834A1 (en) | 1978-05-12 |
GB1586717A (en) | 1981-03-25 |
DE2646825A1 (en) | 1978-04-20 |
DE2646825C2 (en) | 1987-05-27 |